Blog - JingHong

Glass Fiber Series

How FR4 Epoxy Sheet Performs in Outdoor Environments?

James Yang

Sep 11, 2025

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Glass Fiber Series

Electrical Breakdown Voltage of FR4 Epoxy Sheet

FR4 epoxy sheet, renowned for its exceptional electrical insulation properties, boasts an impressive electrical breakdown voltage. This critical characteristic defines the maximum electric field strength the material can withstand before its insulating properties fail. Typically, FR4 epoxy sheets exhibit a dielectric breakdown voltage exceeding 50 kV, with some high-grade variants reaching up to 65 kV or more. This remarkable dielectric strength makes FR4 an ideal choice for various applications in the electronics industry, particularly in the production of printed circuit boards (PCBs) and high-voltage insulators. The ability to withstand such high voltages ensures the reliability and safety of electronic components, making FR4 epoxy sheets indispensable in modern electrical and electronic engineering.

James Yang

Sep 11, 2025

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Glass Fiber Series

How 3240 Epoxy Sheet Performs Under Continuous Heat Load?

James Yang

Sep 11, 2025

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Glass Fiber Series

Advantages of G10 Epoxy Sheet in High-Strength Projects

James Yang

Sep 11, 2025

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Glass Fiber Series

The Role of G10 Epoxy Sheet in Defense and Marine Applications

G10 epoxy sheet plays a crucial role in defense and marine applications due to its exceptional properties. This high-performance composite material, consisting of fiberglass cloth impregnated with epoxy resin, offers a unique combination of strength, durability, and chemical resistance. In defense applications, G10 epoxy sheet is widely used for manufacturing components that require high reliability and performance under extreme conditions. For marine environments, its corrosion resistance and low moisture absorption make it an ideal choice for various structural and electrical applications. The versatility of G10 epoxy sheet has led to its extensive use in naval vessels, military equipment, and offshore structures, where it contributes significantly to enhancing operational efficiency and longevity.

James Yang

Sep 11, 2025

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Glass Fiber Series

Different Types of FR4 Epoxy Sheet Explained

James Yang

Sep 11, 2025

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Glass Fiber Series

3240 Epoxy Sheet Chemical Resistance Guide

James Yang

Sep 10, 2025

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Glass Fiber Series

The Difference Between FR4 Epoxy Sheet and Other Laminate Boards

James Yang

Sep 10, 2025

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Glass Fiber Series

Why FR4 Epoxy Sheet Is the Industry Standard for PCB Boards?

James Yang

Sep 10, 2025

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